I was reading something else that made me think about this question. What would you have to do in order to get rid off muscle.. or reduce your muscle mass.
Take Ronnie or Jay Cutler for example. If for some reason one of them decided that they wanted to be a normal sized guy again, what could they do? I doubt either could possibly get down to that size but what could happen and how long would it take?
The only reason I think it's possibly is because if you take actors for example, while they don't have to be 6' ft. 225 with 4% bf, sometimes have to put on a reasonable amount of muscle mass for a role. Then a year or two later you'll see that same person in another movie but half the size from before.
Anybody know? j/w. thanks